Please make sure you have enabled hdmi_enable_4kp60 in the correct config file. Please also try different HDMI cables because 4K60Hz requires an HDMI 2.0 cable. HDMI 1.4 cables and older will be limited to 4K30Hz.
** Package changed: xorg (Ubuntu) => linux-raspi (Ubuntu) ** Tags added: raspi raspi-gfx -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-raspi in Ubuntu. https://bugs.launchpad.net/bugs/2004123 Title: Unable to display 4K 60hz Ubuntu 22.10 for Raspberry Pi Status in linux-raspi package in Ubuntu: New Bug description: Ubuntu 22.10 won't display 4K at 60hz on Raspberry Pi 4. Workaround of editing the config.txt file does not seem to work. Hardware combination is capable of 4K at 60hz as everything works perfectly fine with Raspberry PI OS 64-bit. ProblemType: Bug DistroRelease: Ubuntu 22.10 Package: xorg 1:7.7+23ubuntu2 ProcVersionSignature: Ubuntu 5.19.0-1004.10-raspi 5.19.7 Uname: Linux 5.19.0-1004-raspi aarch64 ApportVersion: 2.23.1-0ubuntu3 Architecture: arm64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: unknown CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Sun Jan 29 16:35:35 2023 DistUpgraded: Fresh install DistroCodename: kinetic DistroVariant: ubuntu ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: ImageMediaBuild: 20221018.1 Lspci-vt: -[0000:00]---00.0-[01]----00.0 VIA Technologies, Inc. VL805/806 xHCI USB 3.0 Controller ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_headphones=0 snd_bcm2835.enable_headphones=1 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_hdmi=0 video=HDMI-A-1:3840x2160M@30 smsc95xx.macaddr=E4:5F:01:5E:92:10 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 zswap.enabled=1 zswap.zpool=z3fold zswap.compressor=zstd dwc_otg.lpm_enable=0 console=tty1 root=LABEL=writable rootfstype=ext4 rootwait fixrtc quiet splash SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) acpidump: version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.113-2 version.libgl1-mesa-dri: libgl1-mesa-dri 22.2.1-1ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:21.1.4-2ubuntu1 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-3 version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-2build1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/2004123/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp